Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 252 insertions, 0 deletions

diff --git a/canvas/source/directx/dx_canvashelper.hxx b/canvas/source/directx/dx_canvashelper.hxx
new file mode 100644
index 000000000..54731a08e
--- /dev/null
+++ b/canvas/source/directx/dx_canvashelper.hxx
@@ -0,0 +1,252 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+
+#include <basegfx/vector/b2isize.hxx>
+#include <basegfx/vector/b2dsize.hxx>
+
+#include "dx_graphicsprovider.hxx"
+#include "dx_gdiplususer.hxx"
+#include "dx_impltools.hxx"
+
+
+namespace dxcanvas
+{
+    /** Helper class for basic canvas functionality. Also offers
+        optional backbuffer painting, when providing it with a second
+        HDC to render into.
+     */
+    class CanvasHelper
+    {
+    public:
+        CanvasHelper();
+
+        /// make noncopyable
+        CanvasHelper(const CanvasHelper&) = delete;
+        const CanvasHelper& operator=(const CanvasHelper&) = delete;
+
+        /// Release all references
+        void disposing();
+
+        /** Initialize canvas helper
+
+            This method late-initializes the canvas helper, providing
+            it with the necessary device and output objects. Note that
+            the CanvasHelper does <em>not</em> take ownership of the
+            passed rDevice reference, nor does it perform any
+            reference counting. Thus, to prevent the reference counted
+            SpriteCanvas object from deletion, the user of this class
+            is responsible for holding ref-counted references itself!
+
+            @param rDevice
+            Reference device this canvas is associated with
+
+         */
+        void setDevice( css::rendering::XGraphicDevice& rDevice );
+
+        /** Set the target for rendering operations
+
+            @param rTarget
+            Render target
+         */
+        void setTarget( const GraphicsProviderSharedPtr& rTarget );
+
+        /** Set the target for rendering operations
+
+            @param rTarget
+            Render target
+
+            @param rOutputOffset
+            Output offset in pixel
+         */
+        void setTarget( const GraphicsProviderSharedPtr& rTarget,
+                        const ::basegfx::B2ISize&        rOutputOffset );
+
+
+        // CanvasHelper functionality
+        // ==========================
+
+        // XCanvas (only providing, not implementing the
+        // interface. Also note subtle method parameter differences)
+        void clear();
+        void drawPoint( const css::rendering::XCanvas*     pCanvas,
+                        const css::geometry::RealPoint2D&  aPoint,
+                        const css::rendering::ViewState&   viewState,
+                        const css::rendering::RenderState& renderState );
+        void drawLine( const css::rendering::XCanvas*      pCanvas,
+                       const css::geometry::RealPoint2D&   aStartPoint,
+                       const css::geometry::RealPoint2D&   aEndPoint,
+                       const css::rendering::ViewState&    viewState,
+                       const css::rendering::RenderState&  renderState );
+        void drawBezier( const css::rendering::XCanvas*            pCanvas,
+                         const css::geometry::RealBezierSegment2D& aBezierSegment,
+                         const css::geometry::RealPoint2D&         aEndPoint,
+                         const css::rendering::ViewState&          viewState,
+                         const css::rendering::RenderState&        renderState );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            drawPolyPolygon( const css::rendering::XCanvas*            pCanvas,
+                             const css::uno::Reference<
+                                     css::rendering::XPolyPolygon2D >& xPolyPolygon,
+                             const css::rendering::ViewState&          viewState,
+                             const css::rendering::RenderState&        renderState );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            strokePolyPolygon( const css::rendering::XCanvas*          pCanvas,
+                               const css::uno::Reference<
+                                       css::rendering::XPolyPolygon2D >&   xPolyPolygon,
+                               const css::rendering::ViewState&        viewState,
+                               const css::rendering::RenderState&      renderState,
+                               const css::rendering::StrokeAttributes& strokeAttributes );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            strokeTexturedPolyPolygon( const css::rendering::XCanvas*          pCanvas,
+                                       const css::uno::Reference<
+                                               css::rendering::XPolyPolygon2D >&   xPolyPolygon,
+                                       const css::rendering::ViewState&        viewState,
+                                       const css::rendering::RenderState&      renderState,
+                                       const css::uno::Sequence<
+                                               css::rendering::Texture >&      textures,
+                                       const css::rendering::StrokeAttributes& strokeAttributes );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            strokeTextureMappedPolyPolygon( const css::rendering::XCanvas*             pCanvas,
+                                            const css::uno::Reference<
+                                                    css::rendering::XPolyPolygon2D >&  xPolyPolygon,
+                                            const css::rendering::ViewState&           viewState,
+                                            const css::rendering::RenderState&         renderState,
+                                            const css::uno::Sequence<
+                                                    css::rendering::Texture >&         textures,
+                                            const css::uno::Reference<
+                                                    css::geometry::XMapping2D >&       xMapping,
+                                            const css::rendering::StrokeAttributes&    strokeAttributes );
+        css::uno::Reference< css::rendering::XPolyPolygon2D >
+            queryStrokeShapes( const css::rendering::XCanvas*          pCanvas,
+                               const css::uno::Reference<
+                                       css::rendering::XPolyPolygon2D >&   xPolyPolygon,
+                               const css::rendering::ViewState&        viewState,
+                               const css::rendering::RenderState&      renderState,
+                               const css::rendering::StrokeAttributes& strokeAttributes );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            fillPolyPolygon( const css::rendering::XCanvas*            pCanvas,
+                             const css::uno::Reference<
+                                     css::rendering::XPolyPolygon2D >&     xPolyPolygon,
+                             const css::rendering::ViewState&          viewState,
+                             const css::rendering::RenderState&        renderState );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            fillTexturedPolyPolygon( const css::rendering::XCanvas*            pCanvas,
+                                     const css::uno::Reference<
+                                             css::rendering::XPolyPolygon2D >&     xPolyPolygon,
+                                     const css::rendering::ViewState&          viewState,
+                                     const css::rendering::RenderState&        renderState,
+                                     const css::uno::Sequence<
+                                             css::rendering::Texture >&        textures );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            fillTextureMappedPolyPolygon( const css::rendering::XCanvas*           pCanvas,
+                                          const css::uno::Reference<
+                                                  css::rendering::XPolyPolygon2D >&    xPolyPolygon,
+                                          const css::rendering::ViewState&         viewState,
+                                          const css::rendering::RenderState&       renderState,
+                                          const css::uno::Sequence<
+                                                  css::rendering::Texture >&       textures,
+                                          const css::uno::Reference<
+                                                  css::geometry::XMapping2D >&         xMapping );
+
+        css::uno::Reference< css::rendering::XCanvasFont >
+            createFont( const css::rendering::XCanvas*             pCanvas,
+                        const css::rendering::FontRequest&         fontRequest,
+                        const css::uno::Sequence<
+                                css::beans::PropertyValue >&       extraFontProperties,
+                        const css::geometry::Matrix2D&             fontMatrix );
+
+        css::uno::Sequence< css::rendering::FontInfo >
+            queryAvailableFonts( const css::rendering::XCanvas*        pCanvas,
+                                 const css::rendering::FontInfo&       aFilter,
+                                 const css::uno::Sequence<
+                                         css::beans::PropertyValue >&  aFontProperties );
+
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            drawText( const css::rendering::XCanvas*           pCanvas,
+                      const css::rendering::StringContext&     text,
+                      const css::uno::Reference<
+                              css::rendering::XCanvasFont >&   xFont,
+                      const css::rendering::ViewState&         viewState,
+                      const css::rendering::RenderState&       renderState,
+                      sal_Int8                                              textDirection );
+
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            drawTextLayout( const css::rendering::XCanvas*     pCanvas,
+                            const css::uno::Reference<
+                                css::rendering::XTextLayout >& laidOutText,
+                            const css::rendering::ViewState&   viewState,
+                            const css::rendering::RenderState& renderState );
+
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            drawBitmap( const css::rendering::XCanvas*     pCanvas,
+                        const css::uno::Reference<
+                                css::rendering::XBitmap >& xBitmap,
+                        const css::rendering::ViewState&   viewState,
+                        const css::rendering::RenderState& renderState );
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            drawBitmapModulated( const css::rendering::XCanvas*        pCanvas,
+                                 const css::uno::Reference<
+                                         css::rendering::XBitmap >&        xBitmap,
+                                 const css::rendering::ViewState&      viewState,
+                                 const css::rendering::RenderState&    renderState );
+        css::uno::Reference< css::rendering::XGraphicDevice >
+            getDevice();
+
+        // Flush drawing queue to screen
+        void                    flush() const;
+
+        /** Called from XCanvas base classes, to notify that content
+            is _about_ to change
+        */
+        void modifying() {}
+
+    protected:
+        /// Refcounted global GDI+ state container
+        GDIPlusUserSharedPtr            mpGdiPlusUser;
+
+        /** Phyical output device
+
+            Deliberately not a refcounted reference, because of
+            potential circular references for spritecanvas.
+         */
+        css::rendering::XGraphicDevice* mpDevice;
+
+        /// Provides the Gdiplus::Graphics to render into
+        GraphicsProviderSharedPtr                  mpGraphicsProvider;
+
+        bool needOutput() const { return bool(mpGraphicsProvider); };
+
+        // returns transparency of color
+        void setupGraphicsState( GraphicsSharedPtr const & rGraphics,
+                                 const css::rendering::ViewState&   viewState,
+                                 const css::rendering::RenderState& renderState );
+
+        Gdiplus::CompositingMode    calcCompositingMode( sal_Int8 nMode );
+
+        /// Current (transformation-independent) output buffer offset
+        ::basegfx::B2ISize              maOutputOffset;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */